fitness

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Related to biological fitness: Darwinian fitness

fitness

[′fit·nəs]
(genetics)
A measure of reproductive success for a genotype, based on the average number of surviving progeny of this genotype as compared to the average number of other, competing genotypes.
References in periodicals archive ?
Davydovsky on pathology, physiology and biological fitness of the organism for adaptation, ecology and environmental fitness of the functional systems involved in the process of adaptation.
Warren currently retains a level of biological fitness that can still pass the fitness requirements to being admitted into the United States Army Green Berets.
The benefits and costs relate ultimately to biological fitness and are seen most graphically in the acquisition of primary reinforcers, in the course of which potentially fitness-enhancing alternatives are foregone.